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Maryland’s Strategic Forest Lands Assessment
Forest Lands of Economic Importance
Allegheny SAF 2002 Winter Meeting
February 27, 2002Maryland Department of Natural Resources
Identify “Strategic Forest Lands”, or those parts of the state where forest conservation and stewardship efforts would make the greatest contribution
toward achieving a sustainable (ecologically and economically) forest
resource land base.
Maryland’s Strategic Forest Lands Assessment
Strategic Forests Assessment Components
EcologicalAssessment
SocioeconomicAssessment
VulnerabilityAssessment
Programmatic Assessment
Integration withother Efforts
Strategic Forests
Identification
Socioeconomic Assessment GIS Based Approach to quantifying …
Population Density: Influences on forest management Parcelization Local Economic Importance Forest Ownership (public vs. private) Water Supply Watersheds Sourcing or Procurement Zones Forest Products Operators
Economically Important
Forest Lands
Socioeconomic Influences on Forest Management Objectives
Forest Management Objectives
Wildlife Habitat Forest ProductsSoil, Water and Air Quality RecreationTemperature Aesthetics/Quality of Life
Management Objectives differ in response to many factors Sustainable Commercial Forestry and Land Uses
Urban Forests: Less likely: smaller parcels, less tolerant (noise, view, safety)
Rural Forests: More likely: larger parcels, more direct economic ties to forest
resource-based economy
Regional Influences on Harvesting Probabilities
Population Density Parcelization Local Importance of Forest Products
Industry
Population Density as a Predictor of Sustainable Commercial Forestry
Probability of sustainable
commercial forestry
Population Density (persons/mile2)
Management Objectives
Near 0 % > 150 “Urban”Harvests =
“Real Estate” cuts0 % - 25 % 70 – 150
25 % - 50 % 45 – 69 “Transitional”
50 % - 75 % 20 – 44 “Rural”Harvests =
Sustainable Management75 % - 100 % < 20
Liu and Scrivani. 1997. Virginia Department of Forestry
Population Density by Census Block
Logging probability
Parcelization
Identify Forest Land with higher potential for resource extraction Target Stewardship Incentives Promote Sustainable Forest Management Activities Identify Vulnerable “At Risk” Forests
More Landowners
Small Lots
Fewer Landowners
Large Lots
197695,800 private owners
55 % < 10 acres
1989130,600 private owners
65 % < 10 acres
Parcelization Fragmentation
Percent of Forest Acres Nationwide with Landowner Intent to Harvest Timber within the
next 10 years (1993)
Acreage
Category
Percent of
total acreage
1-9 26
10-49 42
50-99 43
100-499 53
500-999 62
1000 + 89
Birch, T.W. 1996.
GIS Method used to map Parcelization
Maryland PropertyView GIS database developed by Maryland
Department of Planning Parcel centroids attributed with ownership,
lot information and land value Parcelization grid development
Interpolate point features to produce a continuous surface
Values reflect parcel size (acres)
Maryland PropertyView
360 acres
10~10 acre lots
3,060 acres
Parcelization of private land
Forest Land parcelization
Is the fifth largest industry in the state. Generates over 2.2 billion dollars annually. Supplies over 14,500 jobs statewide. Creates three (3) jobs are elsewhere in the
economy for every job in the forestry and wood products industry.
Local Economic Importance
The Forestry and Wood Products Industry…
The Forestry and Wood Products Industry
Timber Management and Harvesting Operation of timber tracts, tree farms and nurseries Reforestation services Harvesting and transporting logs
Primary Wood Manufacturing Processing logs into lumber, veneer, plywood, pulp and
other products (Mills)
Secondary Wood Manufacturing Remanufacture of primary manufacturers products into
finished products Examples include furniture, toys, containers, etc.
Economic Indicators
IMPLAN* Database: County LevelMultiple data sources:
US Population Census, County Business Patterns, Regional Economic Information System (REIS) data, BLS ES-202 wage and employment data
Estimate the “gaps” (non-disclosure rules)
IndicatorsEmployment:
annual average jobspart and full time workers, self-employed
*Minnesota IMPLAN Group, Inc., 1997
Trends: Timber Management and Harvesting: Eastern RegionPrimary Wood Manufacturing: Western RegionSecondary Wood Manufacturing: Central Region
Total employment
Relative employment logging and mills
Score attributes in each layer relative to economic importance Rank 1 - 10
Weight GIS layers relative to overall economic importance Combine layers
Logging Probability
Score
Near 0 % 10 % - 25 % 2
25 % - 50 % 550 % - 75 % 7
75 % - 100 % 10
Parcel size Score1-9 1
10-49 2
50-99 5100-499 7
> 500-999 10
% Employment Score0 – 1 % 12 – 4 % 4
4 – 6 % 8
> 6 % 10
Identification of Economically Important Strategic Forest Lands
Identification of Economically Important Strategic Forest Lands
Score attributes in each layer relative to economic importance Rank 1 - 10
Weight GIS layers relative to overall economic importance Combine layers
% Employment0 – 1 %2 – 4 %
4 – 6 %
> 6 %
Parcel size1-9
10-49
50-99100-499
> 500-999
Logging ProbabilityNear 0 %
0 % - 25 %25 % - 50 %50 % - 75 %
75 % - 100 %
x 5 x 3 x 4
+ +
Privately Owned Lands Assessment
The Maryland Department of Natural Resources gratefully
acknowledges the support of the U.S.
Forest Service, Northeastern Area State and Private Forestry for financial assistance for
this project.
Strategic Forests Land Assessment